A printer for printing characters on a recording medium includes, a printing drum provided on a first portion and a second portion of the outer periphery thereof respectively with a first set of type faces and a second set of type faces, the first set of type faces being adapted to p

Ink jet recording apparatus includes a guide member provided in parallel to a transversal direction of a recording sheet, a carriage having a recording head and adapted to move on the guide, a signal generator provided in parallel to the guide, and a control unit for causing the sign

A recording apparatus is disclosed which is improved in operability by linking a printing head protection device with a switch mechanism. The printing head comprises an ink jet head and the switch mechanism comprises a power source switch, print switch etc.

There is an ink jet printer in which an electrostriction element is associated with at least a part of an ink chamber for causing ink emission from an ink nozzle connected to said ink chamber in response to a voltage applied to the electrostriction element. Said voltage is changed in

A printing device of a construction, wherein a plurality of printing hammers are arranged in parallel facing toward a character wheel provided on its outer peripheral surface with a plurality of character types to be struck by the printing hammers through a printing paper, etc., interpos

In a printing hammer driving system, there is provided a character-bearing member having a plurality of identical characters disposed in mutually offset relationship in each of lines. The characters in each of the lines differ from those in any other line. A group of hammers is disposed